Revert "Merge #101508: libraw: 0.20.0 -> 0.20.2"

I'm sorry; I didn't notice it contained staging commits.

This reverts commit 17f5305b6c, reversing
changes made to a8a018ddc0.

pkgs/development/compilers/rust/binary.nix

@@ -1,4 +1,4 @@
-{ stdenv, makeWrapper, bash, curl, darwin, zlib
+{ stdenv, makeWrapper, bash, curl, darwin
 , version
 , src
 , platform
@@ -42,23 +42,17 @@ rec {
       ./install.sh --prefix=$out \
         --components=${installComponents}
 
-      ${optionalString (stdenv.isLinux && bootstrapping) (''
+      ${optionalString (stdenv.isLinux && bootstrapping) ''
         patchelf \
           --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
           "$out/bin/rustc"
-        '' + optionalString (stdenv.lib.versionAtLeast version "1.46")
-        # rustc bootstrap needs libz starting from 1.46
-        ''
-          ln -s ${zlib}/lib/libz.so.1 $out/lib/libz.so.1
-          ln -s ${zlib}/lib/libz.so $out/lib/libz.so
-        '' + ''
         patchelf \
           --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
           "$out/bin/rustdoc"
         patchelf \
           --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
           "$out/bin/cargo"
-      '')}
+      ''}
 
       # Do NOT, I repeat, DO NOT use `wrapProgram` on $out/bin/rustc
       # (or similar) here. It causes strange effects where rustc loads